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Finding the Fourth Proportional to 40,491.59, 60,737.38 and 21,745.83

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Solution

The fourth proportional to 40,491.59, 60,737.38 and 21,745.83 is: 32,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,491.59 : 60,737.38 = 21,745.83 : x
  2. Step 2: Convert to fraction form
    40,491.59/60,737.38 = 21,745.83/x
  3. Step 3: Cross multiply
    40,491.59x = 60,737.38 × 21,745.83
  4. Step 4: Simplify right side
    40,491.59x = 1,320,784,685.76
  5. Step 5: Solve for x
    x = 1,320,784,685.76/40,491.59
  6. Step 6: Final answer
    x = 32,618.74

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.